<div class="modal modal-iframe" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times</span><span class="sr-only">Close</span></button>
            </div>
            <div class="modal-body">
                <iframe id="modal-iframe-view" class="iframe" src="about:blank" name="modal-iframe-view"></iframe>
            </div>
            <div class="modal-footer">
                <a class="btn btn-default" href="javascript:void(0)" data-dismiss="modal">关闭</a>
            </div>
        </div>
    </div>
</div>